docs: add homebrew installation note #9

	# SPDX-License-Identifier: Apache-2.0

	name: Merge to Main

	on:
	# https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions
	push:
	branches:
	- main

	jobs:
	build:
	name: Build
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: [ "^1.17", "^1.18" ]
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v3
	- name: Setup Go
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go }}
	- name: Setup
	run: make setup
	#- name: Lint
	# run: make lint
	- name: Lint
	run: make check-headers
	- name: Build
	run: make build
	generate:
	name: Generate sbom file
	runs-on: ubuntu-latest
	steps:
	- name: Checkout the repository
	uses: actions/checkout@v2
	- name: gh-action-spdx-sbom-generator
	uses: niravpatel27/gh-action-spdx-sbom-generator@v1.0.0
	with:
	version: '0.0.3'
	- name: Check if sbom file generated
	run: \|
	if [ ! -f "bom-go-mod.spdx" ]; then
	echo "::error::bom-go-mod.spdx is missing. Must generate using the spdx-sbom-generator cli."
	exit 1
	else
	echo "Success!"
	fi

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